From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Kelly Littlepage <kelly@onechronos.com>,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
David Miller <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Iris Liu <iris@onechronos.com>, Jakub Kicinski <kuba@kernel.org>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Mike Maloney <maloney@google.com>,
netdev <netdev@vger.kernel.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Subject: Re: [PATCH v3] net: tcp: fix rx timestamp behavior for tcp_recvmsg
Date: Fri, 8 May 2020 11:31:07 -0400 [thread overview]
Message-ID: <CA+FuTSchhmY90pd1cdjUpaX+RE20L5QsTLM=9mpYNp1uTJgajA@mail.gmail.com> (raw)
In-Reply-To: <CACSApvaWRxgx_Q1ku=vXbArZc5EJHWhLhCQbzH0+-R3Pzmcf+A@mail.gmail.com>
On Fri, May 8, 2020 at 10:58 AM Soheil Hassas Yeganeh <soheil@google.com> wrote:
>
> On Fri, May 8, 2020 at 10:45 AM Eric Dumazet <eric.dumazet@gmail.com> wrote:
> >
> >
> >
> > On 5/8/20 7:23 AM, Kelly Littlepage wrote:
> > > The stated intent of the original commit is to is to "return the timestamp
> > > corresponding to the highest sequence number data returned." The current
> > > implementation returns the timestamp for the last byte of the last fully
> > > read skb, which is not necessarily the last byte in the recv buffer. This
> > > patch converts behavior to the original definition, and to the behavior of
> > > the previous draft versions of commit 98aaa913b4ed ("tcp: Extend
> > > SOF_TIMESTAMPING_RX_SOFTWARE to TCP recvmsg") which also match this
> > > behavior.
> > >
> > > Fixes: 98aaa913b4ed ("tcp: Extend SOF_TIMESTAMPING_RX_SOFTWARE to TCP recvmsg")
> > > Co-developed-by: Iris Liu <iris@onechronos.com>
> > > Signed-off-by: Iris Liu <iris@onechronos.com>
> > > Signed-off-by: Kelly Littlepage <kelly@onechronos.com>
> > > ---
> > > Reverted to the original subject line
> >
> >
> > SGTM, thanks.
> >
> > Signed-off-by: Eric Dumazet <edumazet@google.com>
>
> Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
next prev parent reply other threads:[~2020-05-08 15:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 16:29 [PATCH] net: tcp: fix rx timestamp behavior for tcp_recvmsg Kelly Littlepage
2020-05-05 20:23 ` Willem de Bruijn
2020-05-07 21:40 ` Willem de Bruijn
2020-05-08 0:50 ` [PATCH v2] net: tcp: fixes commit 98aaa913b4ed ("tcp: Extend SOF_TIMESTAMPING_RX_SOFTWARE to TCP recvmsg") Kelly Littlepage
2020-05-08 13:51 ` Willem de Bruijn
2020-05-08 14:23 ` [PATCH v3] net: tcp: fix rx timestamp behavior for tcp_recvmsg Kelly Littlepage
2020-05-08 14:45 ` Eric Dumazet
2020-05-08 14:56 ` Soheil Hassas Yeganeh
2020-05-08 15:31 ` Willem de Bruijn [this message]
2020-05-08 18:29 ` Jakub Kicinski
2020-05-08 19:58 ` [PATCH v4] " Kelly Littlepage
2020-05-08 23:17 ` Jakub Kicinski
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